横向
1
Middle value in an ordered dataset
4
Line segment connecting two circle points
5
Lines that never intersect
7
Difference between highest and lowest values
9
Divisible by two
11
Longest side of a right triangle
纵向
2
Mathematical statement of equality
3
Reference line in a graph
6
Proven mathematical statement
8
Corner point of a polygon
10
Part of a circle's circumference